Ventilator

Abstract

The utility model discloses a ventilator, and relates to the technical field of ventilators. The ventilator comprises a shell and a fan, the fan is arranged in the shell, a protection plate is arranged at a ventilation opening of the shell, and the protection plate is detachably installed on the shell through a detachable mechanism. The detachable mechanism comprises a fixing plate, a connecting block and a locking mechanism. The fixing plate is fixedly arranged in the shell and located near the ventilation opening. One end of the connecting block is fixedly connected with the inner side face of the protection plate, and the other end of the connecting block can make contact with the fixing plate. The locking mechanism is connected with the fixing plate and used for locking the connecting block under the action of first external force when the connecting block makes contact with the fixing plate and unlocking the connecting block under the action of second external force so that the connecting block can be disengaged from the fixing plate. The protective plate is reasonable in design structure, and the protective plate can be quickly opened and closed by the aid of the locking mechanism.

Description

Technical Field

[0001] The utility model specifically relates to a ventilator. Background Art

[0002] A ventilator is a machine that relies on input mechanical energy to increase gas pressure and discharge the gas. It is a driven fluid machine with an exhaust pressure lower than 1.5×10^4 Pa. Modern ventilators are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household appliances, drying and sorting of grains, wind tunnel wind sources and inflation and propulsion of hovercraft, etc.

[0003] At present, ventilators on the market usually have a filter structure designed on the casing to prevent external debris from entering the interior of the fan. The installation between the filter structure and the casing often adopts a fixed connection or bolt connection. When inspecting the structure inside the casing, the filter structure needs to be disassembled, and the disassembly and assembly of the filter structure is relatively troublesome. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide a ventilator in view of the above-mentioned deficiencies in the prior art, so as to solve the problem in the prior art that the filter structure is difficult to disassemble and assemble.

[0005] The utility model provides a ventilator, comprising: a shell and a fan, the fan is arranged in the shell, and a guard plate is provided at the vent of the shell, and the guard plate is detachably mounted on the shell through a detachable mechanism. The detachable mechanism includes a fixed plate, a connecting block and a locking mechanism. The fixed plate is fixedly arranged inside the shell and is located near the vent. One end of the connecting block is fixedly connected to the inner side of the guard plate, and the other end of the connecting block can contact the fixed plate. The locking mechanism is connected to the fixed plate, and is used to lock the connecting block under the action of a first external force when the connecting block contacts the fixed plate, and to unlock the connecting block under the action of a second external force so that the connecting block can be separated from the fixed plate.

[0006] Optionally, the detachable mechanism further includes an ejection assembly. The other end of the connecting block abuts against the ejection assembly. The ejection assembly is disposed on the fixed plate and is configured to deform to generate an elastic force when the connecting block is locked, and to release the elastic force to eject the connecting block away from the fixed plate when the connecting block is unlocked.

[0007] Optionally, the pop-up assembly includes a first guide rod, a first elastic member, and a limit block. The fixed plate is located between the connecting block and the limit block, one end of the first guide rod is fixedly connected to the limit block, and the other end of the first guide rod passes through a through hole on the fixed plate and contacts the other end of the connecting block. The first elastic member is sleeved on the first guide rod, one end of the first elastic member is fixedly connected to the limit block, and the other end of the first elastic member is fixed to the fixed plate. When the connecting block is locked, the first elastic member is in a stretched state. When the connecting block is unlocked, the first elastic member retracts and pushes the first guide rod toward the connecting block to pop out the connecting block.

[0008] Optionally, the pop-up assembly further comprises a support plate, which is located between the connecting block and the fixing plate, with one side of the support plate fixedly connected to the other end of the first guide rod, and the other side of the support plate in contact with the other end of the connecting block.

[0009] Optionally, the locking mechanism includes a push-pull assembly and an insertion rod. The connecting block is provided with a retaining hole that matches the insertion rod. The push-pull assembly is connected to the insertion rod and is configured to, under the action of a first external force, drive the insertion rod toward the connecting block so that the insertion rod is inserted into the retaining hole and locks the connecting block, and, under the action of a second external force, drive the insertion rod away from the connecting block so that the insertion rod is withdrawn from the retaining hole and unlocks the connecting block.

[0010] Optionally, the push-pull assembly includes a push-pull plate, a connecting rod, a sliding rod and a linkage block. The push-pull plate is arranged on the outside of the shell. One end of the connecting rod is fixedly connected to the push-pull plate, and the other end of the connecting rod extends into the interior of the shell and is fixedly connected to the sliding rod. The linkage block is provided with an inclined sliding groove, and the sliding rod is slidingly connected to the linkage block through the sliding groove, and the linkage block is also fixedly connected to the insertion rod. The push-pull plate is used to drive the sliding rod to slide in a first direction in the sliding groove under the action of a first external force, and drive the linkage block to move in a direction close to the connecting block so that the insertion rod is inserted into the limiting hole, and to drive the sliding rod to slide in a second direction in the sliding groove under the action of a second external force, and drive the linkage block to move in a direction away from the connecting block so that the insertion rod is pulled out of the limiting hole.

[0011] Optionally, the push-pull assembly further includes a second elastic member and a support. The linkage block is located between the connecting block and the support, with one end of the support fixedly connected to the fixing plate. The ends of the second elastic member are respectively fixedly connected to the linkage block and the support. When the insertion rod is withdrawn from the retaining hole, the second elastic member is compressed and generates an elastic force. When the insertion rod is inserted into the retaining hole, the second elastic member releases the elastic force and pushes the linkage block toward the connecting block, squeezing the insertion rod.

[0012] Optionally, the push-pull assembly further includes a second guide rod. The second elastic member is sleeved on the second guide rod. One end of the second guide rod is fixedly connected to the linkage block. The other end of the second guide rod passes through a through hole in the support and is slidably connected to the support via the through hole in the support.

[0013] Optionally, the detachable mechanism further comprises a rotating connector, which is used to rotatably connect the side of the guard plate away from the connecting block to the housing. The guard plate is provided with ventilation slots.

[0014] Optionally, a bracket is provided at the bottom of the housing. The bracket includes two legs, each of which is provided with a through hole, and the through holes on the two legs are used for fixing and installing the housing.

[0015] The beneficial effects of a ventilator provided by an embodiment of the utility model are as follows: the utility model realizes the rapid opening and closing of the guard plate by setting a pop-up component and a push-pull component, and also ensures the stability of the guard plate in the non-operating state. The cooperation between the insertion rod and the limiting hole and the thrust of the second elastic part on the linkage block ensure that the guard plate will not be accidentally opened during normal operation, thereby improving the safety of equipment operation. The buffering effect of the second elastic part also increases the stability and durability of the entire mechanism, and reduces the risk of component damage due to vibration or external force impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a ventilator provided in an embodiment of the present utility model;

[0017] Figure 2 A schematic structural diagram of a detachable mechanism provided in an embodiment of the present utility model;

[0018] Figure 3 A schematic structural diagram of another detachable mechanism provided in an embodiment of the present utility model. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0020] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by various orientation terms are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] Some embodiments of the present invention provide a ventilator, such as Figures 1 to 3As shown, the ventilator includes a shell 1 and a fan (not shown in the figure), the fan is arranged in the shell 1, and a guard plate 3 is provided at the vent of the shell 1, and the guard plate 3 is detachably mounted on the shell 1 through a detachable mechanism. The detachable mechanism includes a fixed plate 7, a connecting block 5 and a locking mechanism. Among them, the fixed plate 7 is fixedly arranged inside the shell 1 and is located near the vent. One end of the connecting block 5 is fixedly connected to the inner side surface of the guard plate 3. The other end of the connecting block 5 can contact with the fixing plate 7. The locking mechanism is connected to the fixing plate 7, and is used to lock the connecting block 5 under the action of a first external force when the connecting block 5 contacts the fixing plate 7, and to unlock the connecting block 5 under the action of a second external force so that the connecting block 5 can be separated from the fixing plate 7.

[0022] It can be understood that simply by applying the first or second external force to the locking mechanism, the connecting block 5 can be locked, or the connecting block 5 can be unlocked and released from the fixing plate 7, thereby securing the connecting block 5 to the guard plate 3. Thus, the locking mechanism enables quick removal and installation of the guard plate 3. Furthermore, the guard plate 3 can be provided with a filter mechanism, which can be removably mounted to the housing 1 via the removable mechanism. This allows personnel to easily remove the guard plate 3 and the filter mechanism from the housing 1, or to easily install the guard plate 3 and the filter mechanism back on the housing 1.

[0023] In some embodiments, as Figure 2 and Figure 3 As shown, the detachable mechanism further includes an ejection assembly. The other end of the connecting block 5 abuts against the ejection assembly. The ejection assembly is disposed on the fixing plate 7 and is configured to deform and generate an elastic force when the connecting block 5 is locked, and to release the elastic force to eject the connecting block 5 away from the fixing plate 7 when the connecting block 5 is unlocked.

[0024] It can be understood that after the connecting block 5 is unlocked, the deformation force of the pop-up component can pop the connecting block 5 open, and there is no need to apply additional force to remove the guard plate 3, which is faster and more convenient.

[0025] In some embodiments, as Figure 2 and Figure 3 As shown, the pop-up assembly includes a first guide rod 18, a first elastic member 20 and a limit block 19. The fixed plate 7 is located between the connecting block 5 and the limit block 19, and the first elastic member 20 is sleeved on the first guide rod 18. One end of the first guide rod 18 is fixedly connected to the limit block 19, and the other end of the first guide rod 18 passes through the through hole on the fixed plate 7 and contacts the other end of the connecting block 5. One end of the first elastic member 20 is fixedly connected to the limit block 19, and the other end of the first elastic member 20 is fixed to the fixed plate 7. When the connecting block 5 is locked, the first elastic member 20 is in a stretched state. When the connecting block 5 is unlocked, the first elastic member 20 retracts and pushes the first guide rod 18 to move toward the connecting block 5 to pop out the connecting block 5.

[0026] It can be understood that the two ends of the first elastic member 20 are respectively fixed on the limit block 19 and the fixed plate 7. When the connecting block 5 is locked, the connecting block 5 can squeeze the first guide rod 18 into the shell 1 and stretch the first elastic member 20. When the connecting block 5 is unlocked, the first elastic member 20 retracts, and the retraction force will push the first guide rod 18 to move toward the direction close to the connecting block 5, so that the connecting block 5 can be popped out away from the fixed plate 7.

[0027] Exemplarily, the first elastic member 20 may be a spring.

[0028] In some embodiments, as Figure 2 and Figure 3 As shown, the pop-up assembly also includes a support plate 17, which is located between the connecting block 5 and the fixed plate 7. One side of the support plate 17 is fixedly connected to the other end of the first guide rod 18, and the other side of the support plate 17 contacts the other end of the connecting block 5.

[0029] It can be understood that the abutment plate 17 is provided between the first guide rod 18 and the connecting block 5 so as to increase the force-bearing area of ​​the connecting block 5 and make the operation of the detachable mechanism more stable.

[0030] In some embodiments, the locking mechanism includes a push-pull assembly and an insertion rod 13. The connecting block 5 is provided with a stopper hole 6 that matches the insertion rod 13. The push-pull assembly is connected to the insertion rod 13 and is configured to, under the action of a first external force, drive the insertion rod 13 toward the connecting block 5 so that the insertion rod 13 is inserted into the stopper hole 6 and locks the connecting block 5. Furthermore, under the action of a second external force, the insertion rod 13 is driven away from the connecting block 5 so that the insertion rod 13 is withdrawn from the stopper hole 6 and unlocks the connecting block 5.

[0031] Under the action of the first external force, the push-pull assembly can drive the insertion rod 13 to be inserted into the limiting hole 6, thereby locking the connecting block 5. Under the action of the second external force, the push-pull assembly can drive the insertion rod 13 to be withdrawn from the limiting hole 6, thereby unlocking the connecting block 5.

[0032] In some embodiments, as Figures 1 to 3As shown, the push-pull assembly includes a push-pull plate 9, a connecting rod 8, a sliding rod 10 and a linkage block 11. The push-pull plate 9 is arranged on the outside of the shell 1. One end of the connecting rod 8 is fixedly connected to the push-pull plate 9, and the other end of the connecting rod 8 extends into the interior of the shell 1 and is fixedly connected to the sliding rod 10. The linkage block 11 is provided with an inclined sliding groove 12, and the sliding rod 10 is slidably connected to the linkage block 11 through the sliding groove 12, and the linkage block 11 is also fixedly connected to the insertion rod 13. The push-pull plate 9 is used to drive the sliding rod 10 to slide in the sliding groove 12 along a first direction under the action of a first external force, and drive the linkage block 11 to move in a direction close to the connecting block 5 so that the insertion rod 13 is inserted into the limiting hole 6, and to drive the sliding rod 10 to slide in the sliding groove 12 along a second direction under the action of a second external force, and drive the linkage block 11 to move in a direction away from the connecting block 5 so that the insertion rod 13 is pulled out of the limiting hole 6.

[0033] For example, Figure 2 As shown, when the front view of the linkage block 11 is a square, a sliding groove 12 is provided on the diagonal line of the linkage block 11 so that the sliding rod 10 can drive the linkage block 11 to move horizontally when sliding up and down in the sliding groove 12.

[0034] For example, Figure 2 and Figure 3 As shown, when the connecting block 5 is locked, the sliding rod 10 is located at the lowest point of the sliding groove 12. At this time, a second external force is applied to the push-pull plate 9, that is, the push-pull plate 9 is pulled out in a direction away from the interior of the housing 1, and the connecting rod 8 drives the sliding rod 10 to slide upward in the sliding groove 12, and drives the linkage block 11 to move laterally in a direction away from the connecting block 5, so that the insertion rod 13 can be pulled out from the limiting hole 6 to unlock the connecting block 5. At this time, if the first external force is applied to the push-pull plate 9 again, that is, when the push-pull plate 9 is pushed in a direction close to the interior of the housing 1, the connecting rod 8 drives the sliding rod 10 to slide downward in the sliding groove 12, and drives the linkage block 11 to move laterally in a direction close to the connecting block 5, so that the insertion rod 13 can be inserted into the limiting hole 6 to lock the connecting block 5.

[0035] In some embodiments, as Figure 2 and Figure 3 As shown, the push-pull assembly further includes a second elastic member 16 and a support 15. The linkage block 11 is located between the connecting block 5 and the support 15, and one end of the support 15 is fixedly connected to the fixing plate 7. The two ends of the second elastic member 16 are respectively fixedly connected to the linkage block 11 and the support 15. When the insertion rod 13 is withdrawn from the limiting hole 6, the second elastic member 16 is in a compressed state and generates an elastic force. When the insertion rod 13 is inserted into the limiting hole 6, the second elastic member 16 releases the elastic force and pushes the linkage block 11 toward the connecting block 5, squeezing the linkage block 11 and the insertion rod 13.

[0036] For example, the support 15 is positioned perpendicular to the fixing plate 7, and the second elastic member 16 is perpendicular to the support 15. The second elastic member 16 is positioned between the linkage block 11 and the support 15, and deformation of the second elastic member 16 requires an external force. Thus, when the insertion rod 13 is inserted into the retaining hole 6, the presence of the second elastic member 16 supports the linkage block 11, making it difficult for the insertion rod 13 to escape from the retaining hole 6 and allowing it to be securely inserted into the retaining hole 6.

[0037] Exemplarily, the second elastic member 16 may be a spring.

[0038] In some embodiments, the push-pull assembly further includes a second guide rod 14, a second elastic member 16 is sleeved on the second guide rod 14, and one end of the second guide rod 14 is fixedly connected to the linkage block 11. The other end of the second guide rod 14 passes through a through hole of the support 15 and is slidably connected to the support 15 through the through hole of the support 15.

[0039] It is understood that when the second elastic member 16 is compressed or released, the second guide rod 14 can slide within the through hole of the support 15 as the linkage block 11 moves. Thus, the second guide rod 14 can increase the stability of the direction of the elastic force provided by the second elastic member 16, so that the elastic force provided by the second elastic member 16 is consistent with the direction in which the insertion rod 13 is inserted into the limiting hole 6.

[0040] Exemplarily, the second guide rod 13 , the second elastic member 16 and the insertion rod 13 may be arranged on the same horizontal line.

[0041] In some embodiments, the detachable mechanism further comprises a rotating connector, which is used to rotatably connect the side of the guard plate 3 away from the connection block 5 to the housing 1. The guard plate 3 is provided with a ventilation slot 4.

[0042] It is understood that the side of the guard plate 3 away from the connecting block 5 can be fixedly connected to the housing 1, thereby making the connection between the guard plate 3 and the housing 1 more stable and ensuring the normal operation of the ventilator. When the guard plate 3 needs to be removed from the housing 1, the push-pull assembly and the ejection assembly can be used to eject the connecting block 5 and move the guard plate 3 away from the fixing plate 7, thereby opening the guard plate 3 and exposing the vent, making it easier for personnel to maintain or repair the components inside the housing 1.

[0043] For example, the side of the guard plate 3 away from the connecting block 5 can also be connected to the shell 1 by a snap buckle, and the snap buckle is detachable, so that the staff can remove the entire guard plate 3 from the shell 1.

[0044] It can be understood that the ventilation slots 4 help to accelerate air circulation.

[0045] In some embodiments, a bracket is provided at the bottom of the housing 1. The bracket includes two legs 2, each of which has a through hole. The through holes on the two legs 2 are used to fix and install the housing 1.

[0046] It is understandable that the bracket can support the housing 1, making it easy to use and place the ventilator. Each leg 2 can be provided with a plurality of through holes (such as Figure 1 In the embodiment, two through holes are provided on each leg 2), and a plurality of screws are screwed into the through holes on the two legs 2 respectively, so that the housing 1 can be fixedly installed, making it easy to use the ventilator.

[0047] It is understood that the above embodiments are merely exemplary embodiments for illustrating the principles of the present invention, and the present invention is not limited thereto. Those skilled in the art may make various modifications and improvements without departing from the spirit and substance of the present invention, and such modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A ventilator, characterized in that: include: A shell and a fan, the fan is arranged in the shell, and a guard plate is provided at the ventilation opening of the shell, and the guard plate is detachably mounted on the shell by a detachable mechanism; the detachable mechanism includes a fixing plate, a connecting block and a locking mechanism; wherein, the fixing plate is fixedly arranged inside the shell and is located near the ventilation opening; one end of the connecting block is fixedly connected to the inner side surface of the guard plate, and the other end of the connecting block can contact the fixing plate; the locking mechanism is connected to the fixing plate, and is used to lock the connecting block under the action of a first external force when the connecting block contacts the fixing plate, and to unlock the connecting block under the action of a second external force so that the connecting block can be separated from the fixing plate.

2. A ventilator according to claim 1, characterized in that: The detachable mechanism also includes a pop-up component; the other end of the connecting block abuts against the pop-up component; the pop-up component is arranged on the fixed plate, and is used to deform and generate elastic force when the connecting block is locked, and release the elastic force when the connecting block is unlocked to pop the connecting block away from the fixed plate.

3. A ventilator according to claim 2, characterized in that: The pop-up assembly includes a first guide rod, a first elastic member and a limit block; the fixing plate is located between the connecting block and the limit block, one end of the first guide rod is fixedly connected to the limit block, and the other end of the first guide rod passes through the through hole on the fixing plate and contacts the other end of the connecting block; the first elastic member is sleeved on the first guide rod, one end of the first elastic member is fixedly connected to the limit block, and the other end of the first elastic member is fixed to the fixing plate; When the connecting block is locked, the first elastic member is in a stretched state. When the connecting block is unlocked, the first elastic member retracts and pushes the first guide rod to move toward the connecting block to pop out the connecting block.

4. A ventilator according to claim 3, characterized in that: The pop-up assembly also includes a support plate; the support plate is located between the connecting block and the fixed plate, one side of the support plate is fixedly connected to the other end of the first guide rod, and the other side of the support plate contacts the other end of the connecting block.

5. A ventilator according to claim 1, characterized in that: The locking mechanism includes a push-pull assembly and an insertion rod; wherein, a limiting hole matching the insertion rod is provided on the connecting block; the push-pull assembly is connected to the insertion rod and is used to drive the insertion rod to move in a direction close to the connecting block under the action of the first external force, so that the insertion rod is inserted into the limiting hole and locks the connecting block, and to drive the insertion rod to move in a direction away from the connecting block under the action of the second external force, so that the insertion rod is pulled out of the limiting hole and unlocks the connecting block.

6. A ventilator according to claim 5, characterized in that: The push-pull assembly includes a push-pull plate, a connecting rod, a sliding rod and a linkage block; the push-pull plate is arranged on the outside of the shell; one end of the connecting rod is fixedly connected to the push-pull plate, and the other end of the connecting rod extends into the interior of the shell and is fixedly connected to the sliding rod; the linkage block is provided with an inclined sliding groove, and the sliding rod is slidably connected to the linkage block through the sliding groove, and the linkage block is also fixedly connected to the insertion rod; the push-pull plate is used to drive the sliding rod to slide in the sliding groove along the first direction under the action of the first external force, and drive the linkage block to move in the direction close to the connecting block so that the insertion rod is inserted into the limiting hole, and drive the sliding rod to slide in the sliding groove along the second direction under the action of the second external force, and drive the linkage block to move in the direction away from the connecting block, so that the insertion rod is pulled out of the limiting hole.

7. A ventilator according to claim 6, characterized in that: The push-pull assembly also includes a second elastic member and a support; the linkage block is located between the connecting block and the support, and one end of the support is fixedly connected to the fixed plate; the two ends of the second elastic member are respectively fixedly connected to the linkage block and the support; when the insertion rod is pulled out of the limiting hole, the second elastic member is in a compressed state to generate elastic force, and when the insertion rod is inserted into the limiting hole, the second elastic member releases the elastic force and pushes the linkage block to squeeze the insertion rod in the direction close to the connecting block.

8. A ventilator according to claim 7, characterized in that: The push-pull assembly also includes a second guide rod; the second elastic member is sleeved on the second guide rod; one end of the second guide rod is fixedly connected to the linkage block; the other end of the second guide rod passes through the through hole of the support and is slidably connected to the support through the through hole of the support.

9. The ventilator according to claim 1, characterized in that: The detachable mechanism further comprises a rotating connector, which is used to rotatably connect the side of the guard plate away from the connecting block to the shell; and ventilation slots are provided on the guard plate.

10. The ventilator according to claim 1, characterized in that: A bracket is provided at the bottom of the shell; the bracket includes two legs, and a through hole is respectively opened on the two legs. The through holes on the two legs are used for fixing and installing the shell.

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